The company has 'plugged into' the international market. [=the company has become connected to the international market; the company has begun to do business in the international market]
His friends are 'plugged into' the city's music scene. [=his friends are actively involved in the city's music scene]
The computer program will take data from these sources and automatically 'plug' it 'into' the equation.
(..) introducing to your truck. That's right, y'all. We went to Homeland Security. Yep, this beauty comes fully equipped with thermal imaging, a satellite link-up, and she plugs in to every surveillance camera in the city. And she's also got a holding cell, which is big enough for three perps. (..)2017 TvShow: Brooklyn Nine-Nine Title: #DUPE# Season: 4 Episode 11